APRIL, 1906. THE CHEMICAL NATURE OF SOME INSECT SECRETIONS. 
35 
This soon passes away, leaving an after odor suggestive of the 
large shelf fungus (Polyporus.) 
VI. PACHYCONDYLA HARPAX. 
Here the odor is hardly distinguishable from the fungoid smell 
of Cremastogaster, although it is not evident until the ants have 
been crushed. 
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